• synonyms


[im-pos-uh-bil-i-tee, im-pos-]
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noun, plural im·pos·si·bil·i·ties for 2.
  1. condition or quality of being impossible.
  2. something impossible.
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Origin of impossibility

1350–1400; Middle English impossibilite < Late Latin impossibilitās. See im-2, possibility
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for impossibility

futility, failure, difficulty, contrariety, impracticality, unlikelihood, unreasonableness, unattainability

Examples from the Web for impossibility

Contemporary Examples of impossibility

Historical Examples of impossibility

  • By day it was dangerous enough; by night it was almost an impossibility.

    The Slave Of The Lamp

    Henry Seton Merriman

  • I did not, at least I tried not to expect such an impossibility.

  • That impossibility is precisely the almost universal expectation.

    Pax Vobiscum

    Henry Drummond

  • For what the first sentence seemed to give was next thing to an impossibility.

    Pax Vobiscum

    Henry Drummond

  • To the healthy, walking is a pleasure; to the sick, a burden, if not an impossibility.

British Dictionary definitions for impossibility


noun plural -ties
  1. the state or quality of being impossible
  2. something that is impossible
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for impossibility


late 14c., "quality of being impossible," from impossible + -ity; perhaps from or modeled on French impossibilité. Meaning "an impossible thing or occurrence" is from c.1500.

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Online Etymology Dictionary, © 2010 Douglas Harper